Processing XML with SAX and DOM

• Processing XML with SAX and DOM
• Please turn off all
• Where we're going
• Processing XML with Java is easy
• Prerequisites
• XML API Styles
• Parser APIs
• Part I: XML Infoset
• A simple example
• Markup and Character Data
• Markup and Character Data Example
• Elements and Tags
• Entities
• Parsed Character Data
• CDATA sections
• Comments
• Processing Instructions
• The XML Declaration
• Document Type Declaration
• Document Type Definition (DTD)
• XML Names
• Questions?
• XML Namespaces
• Namespace Syntax
• Namespace URIs
• Binding Prefixes to Namespace URIs
• The Default Namespace
• How Parsers Handle Namespaces
• Questions?
• The Five Layers of XML Processing
• To Learn More
• Questions?
• Part II: Writing XML Documents with Java
• You don't always need a new API
• Unicode
• Readers and Writers
• A Java program that writes Fibonacci numbers into a text file
• fibonacci.txt
• A Java program that writes Fibonacci numbers into an XML file
• fibonacci.xml
• Single quoted attribute values are a little cleaner
• Suppose we want to use a different encoding than UTF-8
• fibonacci_Latin_1.xml
• Suppose you want to include a DTD
• valid_fibonacci.xml
• Questions?
• To Learn More
• Part III: Reading XML Documents with SAX
• Reading XML Documents
• SAX
• SAX Parsers for Java
• The Horrors of the CLASSPATH
• SAX1
• SAX2
• The SAX2 Process
• Making an XMLReader
• Parsing a Document with XMLReader
• Sample Output from SAX2Checker
• JAXP Brain Damage
• The ContentHandler interface
• SAX2 Event Reporter
• Event Reporter Output
• Questions?
• A Sample Application
• Goal: Return a list of all the URLs in this list as java.net.URL objects
• SAX Design
• User Interface Class
• ContentHandler Class
• Weblogs Output
• Questions?
• Features and Properties
• Feature/Property SAXExceptions
• Required Features
• Core Features
• Turning on Validation
• Three Levels of Errors
• The ErrorHandler interface
• An ErrorHandler for Reporting Validity Errors
• Validating
• Core Properties
• Nonstandard Features in Xerces
• Nonstandard Properties in Xerces
• Properties for Extension Handlers
• Questions?
• Handling Attributes in SAX2
• Attributes Example
• Resolving Entities
• EntityResolver Example
• Questions?
• The NamespaceSupport class
• Filtering XML
• XMLFilter Example
• TextMerger
• InputSource
• The InputSource interface
• Example of InputSource
• What SAX2 doesn't do
• Event Based API Caveats
• To Learn More
• Questions?
• Part IV: DOM, The Document Object Model
• Where we're going
• Trees
• Document Object Model
• DOM Evolution
• DOM Implementations for Java
• Eight Modules:
• DOM Trees
• org.w3c.dom
• The DOM Process
• Parsing documents with a DOM Parser Example
• The JAXP Process
• Parsing documents with a JAXP DocumentBuilder
• Questions?
• The Node Interface
• The NodeList Interface
• Node Reporter
• Node Reporter Output
• Node Values as returned by getNodeValue()
• The Document Node
• The Document Interface
• A Sample Application
• DOM Design
• Weblogs with DOM
• Weblogs Output
• Questions?
• Element Nodes
• The Element Interface
• IDTagger
• Output from IDTagger
• CharacterData interface
• The CharacterData Interface
• ROT13 XML Text
• ROT13 XML Output
• Text Nodes
• The Text Interface
• CDATA section Nodes
• The CDATASection Interface
• DocumentType Nodes
• The DocumentType Interface
• Example of the DocumentType Interface
• XHTMLValidator
• Attr Nodes
• The Attr Interface
• XLinkSpider with DOM
• ProcessingInstruction Nodes
• The ProcessingInstruction Interface
• XLinkSpider that Respects robots processing instruction
• Comment Nodes
• The Comment Interface
• Comment Example
• DOMCommentReader Output
• DOMException
• Questions?
• The org.w3c.dom.traversal Package
• NodeIterator
• ValueReporter
• ValueReporter Output
• NodeFilter
• DOM based TagStripper
• Output from a DOM based TagStripper
• TreeWalker
• Questions?
• Writing XML Documents with DOM
• The DOMImplementation interface
• org.apache.xerces.dom.DOMImplementationImpl
• A Xerces/DOM program that writes Fibonacci numbers into an XML document
• A JAXP/DOM program that writes Fibonacci numbers into an XML document
• Serialization
• A DOM program that writes Fibonacci numbers onto System.out
• fibonacci.xml
• OutputFormat
• Better formatted output
• formatted_fibonacci.xml
• DOM based XMLPrettyPrinter
• Output from a DOM based XMLPrettyPrinter
• The point is this:
• Questions?
• To Learn More
• Questions?

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